﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp7
{
    public class Student
    {
        public int Id { get; set; }
        public readonly string name;
        internal static int age = 44;
        public static int Age { get; set; }
        protected readonly char sex;
        private const string major = "软件技术";
    }
}
